/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.basics.bean.impl;

import java.io.File;

/**
 * a {@link FileDataContainer} that will destroy the file when it is garbage
 * collected.
 */
public class AutoCleanFileDataContainer
    extends FileDataContainer
{

  /**
   * the serial id for serialization.
   */
  private static final long serialVersionUID = 3832638959592344296L;



  /**
   * Called by the garbage collector on an object when garbage collection
   * determines that there are no more references to the object. A subclass
   * overrides the <code>finalize</code> method to dispose of system resources
   * or to perform other cleanup.
   * 
   * @throws Throwable
   *           the <code>Exception</code> raised by this method
   * @see java.lang.Object#finalize()
   */
  @Override
  protected void finalize()
      throws Throwable
  {
    try {
      File file = getFile();
      if (file != null && file.exists() && file.isFile()) {
        file.delete();
      }
    }
    finally {
      super.finalize();
    }
  }

}